JPS5823378Y2 - Attaching and detaching device for stirrer or kneader - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an attachment/detachment device that facilitates the disassembly and assembly of a stirrer or kneader in dairy, beverage, and food manufacturing machines.

In the conventional structure of dairy, beverage, and food manufacturing machines equipped with stirrers or kneaders, the rotary power is tilted directly at the part where the shaft of the stirrer or kneader protrudes from the outside of the manufacturing machine, or Since the power is transmitted via a drive shaft connected by a shaft joint, it is difficult to disassemble and assemble the manufacturing machine for cleaning and sterilization, and the structure of the bearing part is complicated and unhygienic.

The present invention solves the problems of the prior art described above, and its configuration will be explained as follows based on the drawings.

As shown in FIG. 1, a stirrer 1 (or a kneader may be used) provided in a manufacturing machine is supported at both ends of its shaft 2 by the attachment/detachment device of the present invention.

As shown in FIGS. 2 and 3, the part where the shaft 2 of the stirrer 1 comes out on the transmission side of the manufacturing machine 3 is a tapered part 2a.
A spline portion 2b is formed beyond that.

It has a taper hole 4a and a spline hole 4b that fit with the taper part 2a and spline part 2b of the shaft 2, and further has a bolt hole 4C communicating with the spline hole 4b on the opposite side.
A hollow shaft 4 having a diameter is fitted with the shaft 2, and the hollow shaft 4 is received by a bearing 5 provided with a ball bearing, a roller bearing, or a bearing metal.

The shaft 2 is connected to the hollow shaft 4 by inserting the bolt 6 into the bolt hole 4C of the hollow shaft 4 and tightening it.

The bearing portion through which the shaft 2 passes through the lid plate 7 of the manufacturing machine main body 3 is
A ring 8 and the like are pressed and attached with a seal presser 9 to prevent leakage of fluid raw materials or products inside the main body.

On the other hand, as shown in FIG. 4, the end 2C of the shaft 2 protruding from the outside of the manufacturing machine main body 3 opposite to the transmission side is fitted with the hollow shaft 10,
They are connected to each other by a key 2d, and the hollow shaft 10 is received by a bearing 11.

The bearing 11 is mounted on a slide base 12 and has a structure that allows it to slide left and right as shown in the chain diagram.

The bearing portion through which the shaft 2 passes through the cover plate 7' of the manufacturing machine main body 3 includes:
An O-ring 8' or the like is mounted while being held down by a seal presser 9' to prevent leakage of fluid raw materials or products inside the main body.

Since the shaft 2 is fitted and integrally connected to the hollow shafts 4 and 10, the weight of the stirrer 1 and the load during stirring are all borne by the bearing 5 on the transmission side and the bearing 11 on the opposite side.

Therefore, the portions where the shaft 2 passes through the lid plates 7, 7' and the seal holders 9, 9' of the manufacturing machine main body 3 are not intended to support the load, but to provide a leakage prevention device with a simple and sanitary structure. .

By fitting the spline portion 2b of the shaft 2 and the spline hole 4b of the hollow shaft 4, the power transmitted to the hollow shaft 4 is directly transmitted to the shaft 2, and the stirrer 1 rotates.

The spline portion 2b of the shaft 2 is loosened by providing a necessary gap for fitting so that it can easily slide when separated from the hollow shaft 4, but by tightening the bolt 6,
Since the tapered part 2a fits correctly, the shaft 2 and the hollow shaft 4
The axes of the two lines coincide exactly.

Next, a method of disassembling and assembling a manufacturing machine equipped with the attachment/detachment device of the present invention will be explained.

(i) Disassembly■ Slide the bearing 11 on the slide base 12 and move it as shown in the chain diagram in Fig. 3, and after attaching the hollow shaft 10 to the bearing 11, pull it out from the end 2C of the shaft 2. .

Furthermore, the bearing 11 is moved to the extreme end of the slide base 12 and removed from the slide base 12.

■ Remove cover plate 7'.

■ Loosen the bolt 6 of the hollow shaft 4 shown in Fig. 2, leave a space between the lower surface of the bolt head 6a and the end surface of the hollow shaft 4, and then strike the bolt head 6a in the axial direction. , the close contact between the tapered portion 2a of the shaft 2 and the tapered hole 4a of the hollow shaft 4 is broken, and the stirrer 1 can be moved to the right and easily taken out of the manufacturing machine main body 3.

(ii) Assembly■ Insert the stirrer 1 into the manufacturing machine body 3 from the slide base 12 side.
into the tapered part 2a of the shaft 2 and the spline part 2.
b into the hollow shaft 4 and fit into the spline hole 4b.

At this time, if the cover plate 7 is released from the manufacturing machine main body 3,
Work is easy.

(2) Tighten the bolt 6 to bring the tapered portion 2a of the shaft 2 and the tapered hole 4a of the hollow shaft 4 into close contact.

(2) Connect the cover plates 7 and 7' to the main body 3 of the manufacturing machine.

■ Place the bearing 11 on the slide base 12, slide it, insert the end 2C of the shaft 2 into the hollow shaft 10, and press the key 2d.
so that they fit together.

According to the present invention having the above configuration, it is easy to remove the stirrer or kneader from the main body, and since no direct gravity or load is applied to the cover plate bearing part of the main body, the structure is simple and simple. It has the effect of making it hygienic.

[Brief explanation of drawings]

Figure 1 is an overall view showing an example of a manufacturing machine equipped with the attachment/detachment device of the present invention, and Figures 2 to 4 are enlarged detailed sectional views of essential parts showing the mechanism of the attachment/detachment device of the present invention. , FIG. 2 is a detailed sectional view of the power transmission side, FIG. 3 is a detailed sectional view of the tapered part and spline portion of the shaft, and FIG. 4 is a detailed sectional view of the slide base side. 1... Stirrer, 2... Stirrer shaft, 2
a...Tapered part of the shaft, 2b...Spline part of the shaft, 2C...End of the shaft on the slide base side, 2d...Key, 3 ...Manufacturing machine body, 4...Transmission side hollow shaft, 4a...Tapered hole, 4b...Spline hole, 4C...
...Bolt hole, 5...Transmission side bearing, 6...
...Bolt, 6a...Bolt head, 7,7'.
...Lid plate, 8.8'...O ring, 9,
9'... Seal holder, 10... Hollow shaft on the slide base side, 11... Bearing on the slide base side, 12... Slide base.

Claims (1)

[Scope of utility model registration request] One end of the transmission side of the shaft of the stirrer or kneader is splined and tapered, and is fitted with a hollow shaft having a matching spline hole and a tapered hole, and the hollow shaft is supported by a bearing; An attachment/detachment device for a stirrer or kneader, characterized in that the opposite side of the shaft is fitted with a hollow shaft, and the hollow shaft is supported by a bearing that can slide on a slide base.